BEIJING (AP) — Chinese astronauts on Thursday beamed back a science lesson from the country’s under-construction space station. The lecture focused on physics, aiming to illustrate how the weightless ...

Tiangong class in Mandarin begins at 2:40 am EST (0740 GMT) on Thursday (Dec. 9). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. China's ...